On Wed, Nov 28, 2012 at 5:19 AM, Rafael J. Wysocki <rjw@xxxxxxx> wrote: > > Please use counters instead of walking the whole path every time. Ie. in > addition to the flag add a counter to store the number of the device's > children having that flag set. Even though counter is added, walking the whole path can't be avoided too, and may be a explicit walking or recursion, because pm_runtime_set_memalloc_noio is required to set or clear the flag(or increase/decrease the counter) of devices in the whole path. Thanks, -- Ming Lei -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
